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CPU Discussion Discuss processors here: Past, present and future! No AMD v. Intel flames, please.

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Old 09-28-2012
walterm walterm is offline
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Default Haswell VRM

Saw an article, second tier motherboard producers are concerned with migration of motherboard functions to CPU.
As a power supply forum are there any concerns, benefits or problems with VRMs on chip?
It does look like a quality boost if done correctly?
Just speculation
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Old 09-28-2012
rafal_iB_PL rafal_iB_PL is offline
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Doubtful load on VRMs will increase, if processors are to be more power efficient, they should about break even with added SB.
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Old 09-28-2012
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I think that drawing traces that will carry data/signals to/from the CPU will be much more of a challenge than making a proper VRM...
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Old 09-28-2012
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Makes me feel I'll pass on early adoption of Haswell.
Usually skip "early adoption" anyway, lol
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Old 11-11-2012
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It's rumored that Haswell will integrate processor VRM on chip package, that is, besides the CPU die, there's a second die including the highly integrated switches and inductors which converts the processor intermediate power (~2.0V) to various voltages (VCC, VCCIO, VCCSA, VCCAXG). A multi-phase VRM on the motherboard will generate a single intermediate power source, instead of the four voltages on current Socket 1155 motherboards. That will greatly simplify the VRM design of Haswell motherboards.
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